British Transport police say the incident involving two men who ended up on a train track in Birmingham is being treated as unexplained.
Police were called out to Birmingham New Street station just before 6am following the reports of the injured men.
Rail commuters are expected to face continued delays following the disruption during this mornings rush hour.
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Sir Mo Farah will run his last ever track race in Great Britain at the Grand Prix in Birmingham today.
After a bright start to Sunday, it will begin to feel warm in the sunny spells with light winds.
Dry and often sunny on Sunday.